Hanna Instruments HI 83208-2008 User Manual

Page 9

Ammonia MR

SPECIFICATIONS

Range

0.00 to 10.00 mg/L

Resolution

0.01 mg/L

Accuracy

±0.05 mg/L ±5% of reading

Typical EMC

±0.01 mg/L

Deviation

Light Source

Tungsten lamp with narrow band interference filter @ 420 nm

Method

Adaptation of the

ASTM Manual of Water and Environmental Technology, D1426-92,

Nessler method. The reaction between ammonia and reagents causes a yellow tint in

the sample.

REQUIRED REAGENTS

Code

Description

Quantity

HI 93715A-0

First Reagent

4 drops (6 drops for seawater)

HI 93715B-0

Second Reagent

4 drops (10 drops for seawater)

REAGENT SETS

HI 93715-01 Reagents for 100 tests
HI 93715-03 Reagents for 300 tests
For other accessories see page 73.

MEASUREMENT PROCEDURE

• Select the

Ammonia MR method using the procedure described in

the

Method Selection section (see page 12).

• Fill the cuvette with 10 mL of unreacted sample (up to the mark)

and replace the cap.

• Place the cuvette into the holder and close the lid.

• Press ZERO key. The display will show “-0.0-” when the meter is

zeroed and ready for measurement.

AMMONIA MEDIUM RANGE

HI 83208 offers an interactive contextual help mode that assists the user at any time.

To access help screens press HELP.
The instrument will display additional information related to the
current screen. To read all available data, scroll the text using the

keys.

Press Support functional key to access a screen with Hanna service
centers and their contact details.
Press Accessories functional key to access a page with instru-
ment accessories.
To exit support or accessories screens press ESC and the instrument will
return to the previous help screen.
To exit help mode just press HELP or ESC key again and the
meter will display the last screen the user was in before entering
help mode.

Instrument ID

Option: 0 to 9999.
This option is used to set the instrument’s ID (identification number).
The instrument ID is used while exchanging data with a PC.
Press Modify functional key to access the instrument ID screen. Press the

keys in order to set the desired value.

Press Accept functional key to confirm the value or ESC to return to the
setup menu without saving the new value.

Meter information

Press Select functional key to view the Instrument model, firmware
version, language version and instrument serial number.
Press ESC to return to the Setup mode.

HELP MODE